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LANCL1 p.Arg41=

c.121C>A · rs116046523 · VCV783351

Benign Multiple submitters
Classification
Benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
low-frequency (popmax 3.24%, afr)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation/SpliceAI carries the signal.
Splicing
SpliceAIΔ0.28acceptor loss · deltas
Constraint at this position
ConservationphyloP 12GERP -2.5, phastCons 1
Overall
CADD10.9PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 3.24% African / African-American · 2,430/74,996 alleles
Filtering AF 3.13% ClinGen BA1/BS1 input FAF95, joint · FAF99 3.09%
Overall 0.17% 2,737/1,614,036 alleles · low-frequency exomes 1,356/1,461,804 · genomes 1,381/152,232 · joint denominator
Ancestry group Frequency 1 in
African / African-Americangrpmax 3.24% 31
Remaining individualsnot grpmax-eligible 0.238% 419
Admixed American 0.195% 513
Middle Eastern 0.066% 1,516
European (non-Finnish) 0.00297% 33,714
South Asian 0.0022% 45,535

Rarity supports pathogenicity (ACMG PM2); frequency above a disease-specific BA1/BS1 threshold argues against it. A variant frequent in one ancestry group can be near-absent in others, so a single global figure can mislead.

Variant & gene context

Gene
LANCL1
Protein
p.Arg41=
Coding
c.121C>A
MANE Select
NM_006055
dbSNP
rs116046523
Type
single nucleotide variant
Location
chr2:210472037 (GRCh38)
Gene constraint
LOEUF 1.304 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 97.52 · 6 PDB
Residue 41
an α-helix
Full LANCL1 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

Built on 18 open, versioned datasets — ClinVar, gnomAD, AlphaMissense, REVEL, ClinGen & more — plus Sugi Variant's own cross-source analysis. Source data 2026-01–2026-10, ClinVar 2026-10. Full sources & versions →

Cite Sugi Variant

Gür T. Sugi Variant: A Deterministic Per-Variant Germline Reference from a Knowledge Graph for Humans and AI Agents. 2026. doi:10.5281/zenodo.21509445. This variant: https://sugi.bio/variant/lancl1-p-arg41 (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown